18690660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103837}}^1$

素因数の和:103852

約数の個数: 36

約数和(自身を含む): 56695548

約数和(自身を除く): 38004888

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 103837, 207674, 311511, 415348, 519185, 623022, 934533, 1038370, 1246044, 1557555, 1869066, 2076740, 3115110, 3738132, 4672665, 6230220, 9345330, 18690660]

約数ペア:

[(1, 18690660), (2, 9345330), (3, 6230220), (4, 4672665), (5, 3738132), (6, 3115110), (9, 2076740), (10, 1869066), (12, 1557555), (15, 1246044), (18, 1038370), (20, 934533), (30, 623022), (36, 519185), (45, 415348), (60, 311511), (90, 207674), (180, 103837)]